Experts confident plane debris belongs to Boeing 777

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ST. DENIS, REUNION ISLAND - Is this the clue that will help solve the mystery of MH370? Workers packed up the piece of debris Friday, sending it off to Paris for a closer look; testing will begin on Wednesday.

The piece of airplane wing, called a flaperon, washed ashore on the remote island of Reunion, located in the Indian Ocean. Boeing investigators are very confident the part comes from a Boeing 777. They're skeptical about a piece of suitcase that washed ashore, but it is being included in the investigation.

The discovery comes almost a year-and-a-half since the plane vanished from radar, and more than 2,300 nautical miles away from the current site zone off Australia's west coast.

"The fact that this wreckage was sighted on the northern part of the island is consistent with the current movement," said Australian Deputy Prime Minister Warren Truss.

While all of this seems promising to investigators, family members of the missing passengers say they need more concrete evidence for closure.

"At least there is something, but for me, that couldn't give me 100% assurance that they're gone," said Calvin Shim, husband of flight attendant Christine Tan.

"I want to see more things besides the debris, to get more confirmation that my husband won't come back anymore," said Elaine Chew, wife of flight attendant Tan Sze Hiang.

A U.S. intelligence assessment suggests someone deliberately veered MH370 off course. Unlike the piece of wing that washed ashore, the reason why someone would commit such a horrific act may never come to the surface.